Table 4.

Results of peak torque before and after two different Nordic Walking trainings.

Variable	High-Intensity Interval Training					Moderate-Intensity Continues Training
	Before		After		Cohen’s d	Before		After		Cohen’s d
	Mean ± SD	95% CI	Mean ± SD	95% CI		Mean ± SD	95% CI	Mean ± SD	95% CI
KF
LD	38.01 ± 8.63	30.02–46.00	44.07 ± 14.07	30.43–57.71	0.50	36.21 ± 7.32	31.29–41.13	36.82 ± 8.16	31.33–42.30	0.08
HD	36.66 ± 13.89	23.81–49.50	39.21 ± 16.79	23.68–54.75	0.17	36.99 ± 9.58	31.20–42.78	42.82 ± 10.80	36.29–49.34	0.57
KE
LD	101.56 ± 21.14	82.01–121.11	111.79 ± 30.67	83.42–140.15	0.39	103.27 ± 23.56	87.44–119.10	98.06 ± 23.46	82.30–113.82	0.22
HD	98.81 ± 32	69.15–128.47	94.49–20.69	75.35–113.62	0.16	92.05 ± 23.19	78.04–106.07	94.82–18.02	83.93–105.71	0.13
EF
LD	26.56 ± 3.14	23.66–29.46	29.04 ± 3.62 *	25.69–32.39	0.73	24.94 ± 5.46	20.74–29.14	25.33 ± 4.84	21.62–29.05	0.08
HD	24.91 ± 3.33	21.83–27.99	27.83 ± 3.95 *	24.17–31.48	0.80	22.97 ± 5.45	19.69–26.27	24.41 ± 2.89	22.66–26.16	0.33
EE
LD	22.69 ± 4.24	18.77–26.61	25.19 ± 6.62	19.06–31.31	0.45	18.60 ± 2.93	16.35–20.85	21.60 ± 5.83	17.11–26.08	0.65
HD	20.74 ± 3.14	17.84–23.65	23.13 ± 2.99	20.35–25.90	0.78	23.87 ± 10.69	17.41–30.32	21.88 ± 4.23	19.33–24.44	0.24

LD: Vitamin D₃ dose of 800 IU/day, HD: Vitamin D₃ dose of 4000 IU/day; CI: confidence intervals, KF: knee flexion; KE: knee extension; EF: elbow flexion; EE: elbow extension, * significant difference between before and after training at p < 0.025.